<?xml version="1.0" encoding="UTF-8"?>
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    <KeyInfo xmlns="http://www.w3.org/2000/09/xmldsig#">
      <RetrievalMethod xmlns="http://www.w3.org/2000/09/xmldsig#" URI="license.lcpl#/encryption/content_key" Type="http://readium.org/2014/01/lcp#EncryptedContentKey"></RetrievalMethod>
    </KeyInfo>
    <CipherData xmlns="http://www.w3.org/2001/04/xmlenc#">
      <CipherReference xmlns="http://www.w3.org/2001/04/xmlenc#" URI="OEBPS/xhtml/chapter01.xhtml"></CipherReference>
    </CipherData>
    <EncryptionProperties xmlns="http://www.w3.org/2001/04/xmlenc#">
      <EncryptionProperty xmlns="http://www.w3.org/2001/04/xmlenc#">
        <Compression xmlns="http://www.idpf.org/2016/encryption#compression" Method="8" OriginalLength="13291"></Compression>
      </EncryptionProperty>
    </EncryptionProperties>
  </EncryptedData>
  <EncryptedData xmlns="http://www.w3.org/2001/04/xmlenc#">
    <EncryptionMethod xmlns="http://www.w3.org/2001/04/xmlenc#" Algorithm="http://www.w3.org/2001/04/xmlenc#aes256-cbc"></EncryptionMethod>
    <KeyInfo xmlns="http://www.w3.org/2000/09/xmldsig#">
      <RetrievalMethod xmlns="http://www.w3.org/2000/09/xmldsig#" URI="license.lcpl#/encryption/content_key" Type="http://readium.org/2014/01/lcp#EncryptedContentKey"></RetrievalMethod>
    </KeyInfo>
    <CipherData xmlns="http://www.w3.org/2001/04/xmlenc#">
      <CipherReference xmlns="http://www.w3.org/2001/04/xmlenc#" URI="OEBPS/xhtml/chapter02.xhtml"></CipherReference>
    </CipherData>
    <EncryptionProperties xmlns="http://www.w3.org/2001/04/xmlenc#">
      <EncryptionProperty xmlns="http://www.w3.org/2001/04/xmlenc#">
        <Compression xmlns="http://www.idpf.org/2016/encryption#compression" Method="4" OriginalLength="12914"></Compression>
      </EncryptionProperty>
    </EncryptionProperties>
  </EncryptedData>
</encryption>
